Technology of roadway surrounding rock control by mining impact of Dongrong No.2 colliery

The engineering examples of Dong Rong NO. 2 Colliery,adopt theoretics by combinative the analyse、test in lab、locale teat and industry test, conclude the technology of roadway surrounding rock control under the near seam mining affect which is fit for coal seam and produce technology condition of Dong Rong diggings.Solve a problem for technology of roadway surrounding rock control under the near seam mining affect when tense position mining extend of Dong Rong NO.2 Colliery, make assrue in gear produce.